I was under the impression BP does not have ethenol in it.Thats all I run in my Chevelle.Sunoco has 10% ethenol in it which I run in the wifes van sometimes.She gets 6 to 8 mpg less when running Sunoco vs BP,does that make any sense?
A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!